diff options
Diffstat (limited to 'fs/9p/vfs_inode.c')
| -rw-r--r-- | fs/9p/vfs_inode.c | 83 |
1 files changed, 80 insertions, 3 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 4d9f45ec6126..39dc79567322 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c | |||
| @@ -731,6 +731,83 @@ static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) | |||
| 731 | return err; | 731 | return err; |
| 732 | } | 732 | } |
| 733 | 733 | ||
| 734 | |||
| 735 | /** | ||
| 736 | * v9fs_vfs_mkdir_dotl - VFS mkdir hook to create a directory | ||
| 737 | * @dir: inode that is being unlinked | ||
| 738 | * @dentry: dentry that is being unlinked | ||
| 739 | * @mode: mode for new directory | ||
| 740 | * | ||
| 741 | */ | ||
| 742 | |||
| 743 | static int v9fs_vfs_mkdir_dotl(struct inode *dir, struct dentry *dentry, | ||
| 744 | int mode) | ||
| 745 | { | ||
| 746 | int err; | ||
| 747 | struct v9fs_session_info *v9ses; | ||
| 748 | struct p9_fid *fid = NULL, *dfid = NULL; | ||
| 749 | gid_t gid; | ||
| 750 | char *name; | ||
| 751 | struct inode *inode; | ||
| 752 | struct p9_qid qid; | ||
| 753 | struct dentry *dir_dentry; | ||
| 754 | |||
| 755 | P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name); | ||
| 756 | err = 0; | ||
| 757 | v9ses = v9fs_inode2v9ses(dir); | ||
| 758 | |||
| 759 | mode |= S_IFDIR; | ||
| 760 | dir_dentry = v9fs_dentry_from_dir_inode(dir); | ||
| 761 | dfid = v9fs_fid_lookup(dir_dentry); | ||
| 762 | if (IS_ERR(dfid)) { | ||
| 763 | err = PTR_ERR(dfid); | ||
| 764 | P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err); | ||
| 765 | dfid = NULL; | ||
| 766 | goto error; | ||
| 767 | } | ||
| 768 | |||
| 769 | gid = v9fs_get_fsgid_for_create(dir); | ||
| 770 | if (gid < 0) { | ||
| 771 | P9_DPRINTK(P9_DEBUG_VFS, "v9fs_get_fsgid_for_create failed\n"); | ||
| 772 | goto error; | ||
| 773 | } | ||
| 774 | |||
| 775 | name = (char *) dentry->d_name.name; | ||
| 776 | err = p9_client_mkdir_dotl(dfid, name, mode, gid, &qid); | ||
| 777 | if (err < 0) | ||
| 778 | goto error; | ||
| 779 | |||
| 780 | /* instantiate inode and assign the unopened fid to the dentry */ | ||
| 781 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { | ||
| 782 | fid = p9_client_walk(dfid, 1, &name, 1); | ||
| 783 | if (IS_ERR(fid)) { | ||
| 784 | err = PTR_ERR(fid); | ||
| 785 | P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", | ||
| 786 | err); | ||
| 787 | fid = NULL; | ||
| 788 | goto error; | ||
| 789 | } | ||
| 790 | |||
| 791 | inode = v9fs_inode_from_fid(v9ses, fid, dir->i_sb); | ||
| 792 | if (IS_ERR(inode)) { | ||
| 793 | err = PTR_ERR(inode); | ||
| 794 | P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n", | ||
| 795 | err); | ||
| 796 | goto error; | ||
| 797 | } | ||
| 798 | dentry->d_op = &v9fs_cached_dentry_operations; | ||
| 799 | d_instantiate(dentry, inode); | ||
| 800 | err = v9fs_fid_add(dentry, fid); | ||
| 801 | if (err < 0) | ||
| 802 | goto error; | ||
| 803 | fid = NULL; | ||
| 804 | } | ||
| 805 | error: | ||
| 806 | if (fid) | ||
| 807 | p9_client_clunk(fid); | ||
| 808 | return err; | ||
| 809 | } | ||
| 810 | |||
| 734 | /** | 811 | /** |
| 735 | * v9fs_vfs_lookup - VFS lookup hook to "walk" to a new inode | 812 | * v9fs_vfs_lookup - VFS lookup hook to "walk" to a new inode |
| 736 | * @dir: inode that is being walked from | 813 | * @dir: inode that is being walked from |
| @@ -1641,7 +1718,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int mode, | |||
| 1641 | struct inode *inode; | 1718 | struct inode *inode; |
| 1642 | gid_t gid; | 1719 | gid_t gid; |
| 1643 | struct p9_qid qid; | 1720 | struct p9_qid qid; |
| 1644 | struct dentry *dir_entry; | 1721 | struct dentry *dir_dentry; |
| 1645 | 1722 | ||
| 1646 | P9_DPRINTK(P9_DEBUG_VFS, | 1723 | P9_DPRINTK(P9_DEBUG_VFS, |
| 1647 | " %lu,%s mode: %x MAJOR: %u MINOR: %u\n", dir->i_ino, | 1724 | " %lu,%s mode: %x MAJOR: %u MINOR: %u\n", dir->i_ino, |
| @@ -1652,7 +1729,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int mode, | |||
| 1652 | 1729 | ||
| 1653 | v9ses = v9fs_inode2v9ses(dir); | 1730 | v9ses = v9fs_inode2v9ses(dir); |
| 1654 | dir_dentry = v9fs_dentry_from_dir_inode(dir); | 1731 | dir_dentry = v9fs_dentry_from_dir_inode(dir); |
| 1655 | dfid = v9fs_fid_lookup(dir_entry); | 1732 | dfid = v9fs_fid_lookup(dir_dentry); |
| 1656 | if (IS_ERR(dfid)) { | 1733 | if (IS_ERR(dfid)) { |
| 1657 | err = PTR_ERR(dfid); | 1734 | err = PTR_ERR(dfid); |
| 1658 | P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err); | 1735 | P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
| @@ -1736,7 +1813,7 @@ static const struct inode_operations v9fs_dir_inode_operations_dotl = { | |||
| 1736 | .link = v9fs_vfs_link_dotl, | 1813 | .link = v9fs_vfs_link_dotl, |
| 1737 | .symlink = v9fs_vfs_symlink_dotl, | 1814 | .symlink = v9fs_vfs_symlink_dotl, |
| 1738 | .unlink = v9fs_vfs_unlink, | 1815 | .unlink = v9fs_vfs_unlink, |
| 1739 | .mkdir = v9fs_vfs_mkdir, | 1816 | .mkdir = v9fs_vfs_mkdir_dotl, |
| 1740 | .rmdir = v9fs_vfs_rmdir, | 1817 | .rmdir = v9fs_vfs_rmdir, |
| 1741 | .mknod = v9fs_vfs_mknod_dotl, | 1818 | .mknod = v9fs_vfs_mknod_dotl, |
| 1742 | .rename = v9fs_vfs_rename, | 1819 | .rename = v9fs_vfs_rename, |
